Diuca diuca
Silhouette: Sheatherius · PhyloPic
In 3 days ~60% in a week ~90%
The diuca finch (Diuca diuca) is a species of bird in the tanager family Thraupidae. It is the only member of the genus Diuca. It is found in Argentina, Bolivia, Brazil, Chile, and Uruguay. Its natural habitats are subtropical or tropical dry shrubland, subtropical or tropical high-altitude shrubland, and heavily degraded former forest.
The diuca finch was formally described in 1782 by the Chilean naturalist Juan Ignacio Molina under the binomial name Fringilla diuca. The specific epithet is from the Araucano names Diuca or Siuca for this species. With the transfer of the glacier finch (formerly white-winged diuca finch) to Idiopsar or Chionodacryon, the diuca finch is now the only member of the genus Diuca, which was introduced in 1850 by the German naturalist Ludwig Reichenbach.
Four subspecies are recognised: Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Nahuel Huapi National Park | 🇦🇷 Argentina | |
| 2 | Península Valdés | 🇦🇷 Argentina | |
| 3 | Torres del Paine National Park | 🇨🇱 Chile |
Possible
About 30% of wildlife watchers report a Common Diuca-Finch sighting in Península Valdés on a given day, based on 133 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 28th most-seen of the 96 birds we can rate there. Over three days the chance rises to about 60%, and over a week to about 90%, if each day is a fresh chance.
November
In that month about 50% of wildlife watchers report a Common Diuca-Finch in Península Valdés on a given day, against about 10% in February–May and August, the lowest months. June and July have too few records to rate.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Common Diuca-Finch sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 3 parks where we can rate Common Diuca-Finch sightings, Península Valdés ranks 2nd at about 30%, level with the leaders once rounded. The best odds are in Nahuel Huapi National Park (Argentina, about 30%).
Same family: Thraupidae
The closest relatives of the Common Diuca-Finch that you can see in Península Valdés (family Thraupidae, Tanagers and Allies) are Mourning Sierra-Finch (about 70%), Grassland Yellow-Finch (about 10%) and Carbonated Sierra-Finch (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Common Diuca-Finch is recorded against all the birds logged in Península Valdés (133 verified sightings from 2019 to 2026), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.
